001, respectively). The LPL supplementation tended to increase the total bacteria in a linear manner (p = 0.089). There were significant decreases in the relative proportions of cellulolytic (Fibrobacter succinogenes and Ruminococcus albus) and lipolytic (Anaerovibrio lipolytica and Butyrivibrio proteoclasticus) bacteria with increasing levels of LPL supplementation (Lin, p = 0.028, 0.006, 0.003, and 0.003, respectively). Conclusion The LPL supplementation had antimicrobial effects on several cellulolytic and lipolytic bacteria, with no significant difference in nutrient degradability (DM and NDF) and general bacterial counts, suggesting that LPL supplementation might increase the enzymatic activity of rumen bacteria. Therefore, LPL supplementation may be more effective as an antimicrobial agent rather than as an emulsifier in the rumen.Objective This study was conducted to evaluate nutritional value and in situ degradability of fruit-vegetable byproducts and their feeding effects on performance of growing Hanwoo steers. Methods Nutritional value and in situ degradability of cabbage, Chinese cabbage and fruit-vegetable byproducts were assessed. https://www.selleckchem.com/products/sodium-2-1h-indol-3-ylacetate.html In vivo feeding trial was also performed for 12 weeks. Thirty-six growing steers were randomly allocated into three groups according to BW and age in 12 pens (4 replications/treatment) and assigned to one of the three dietary treatments Control (byproduct 0%), FV-B (fruit-vegetable byproduct 20%) and CA-B (cabbage peel 15% plus Chinese cabbage peel 15%, total byproduct 30%). Results The CP contents of cabbage, Chinese cabbage and fruit-vegetable byproducts were 18.69, 20.20 and 10.07%, respectively. Concentrations of NDF were higher in cabbage (22.31%) and Chinese cabbage (28.83%) than fruit-vegetable (13.94%). Higher concentrations of NFC were observed for fruit-vegetable (66.72%) than cabbage (44.93%) and Chinese cabbage byproducts (24.69%). The effective degradability (ED) of both DM and NDF for fruit-vegetable byproduct (DM 84.69%; NDF 85.62%) was higher (p less then 0.05) than cabbage (DM 68.47%; NDF 55.97%) and Chinese cabbage byproducts (DM 68.09%; NDF 54.22). The DMI was not different among treatments because the amount of feed was kept constant according to the BW of growing steers to prevent overweight during the growing period. The ADG during the whole experimental period was not different among treatments (1.26, 1.25 and 1.34 kg/d for Control, FV-B, and CA-B). The ED of both DM and NDF degradability of the TMR diets were very similar among treatments. Feed conversion ratio (FCR) during the whole period showed no significant difference among treatments. Conclusion This study demonstrates that fruit-vegetable and cabbage byproducts up to 20 % and 30 % (as fed basis), respectively can be included in TMR diets for growing beef cattle.Objective The objective of the present experiment was to construct self-draining beds to keep surface bedding materials clean and dry for beef cattle comfort in a temperate climate. Methods In Experiment 1, a self-draining bed was covered with sand at depths of 10 cm (S-10a), 15 cm (S-15) and 20 cm (S-20) respectively. In Experiment 2, self-draining beds of different sizes were covered with 10 cm of sand (S-10b) and wood shavings (WS) at depths of 15 cm and 20 cm (WS-15 and WS-20). Fifteen cattle were engaged to evaluate the comfort of self-draining beds covered with different bedding materials. Results No cattle lay in the feed alley and cattle spent more time lying on S-10a than S-15 or S-20 in Experiment 1 (p 0.05). In Experiment 2, no cattle selected the feed alley as the lying area. Cattle preferred WS-15 as the lying area and time spent lying on WS-20 was slightly higher than on S-10b (p less then 0.05). Feces weight was higher in the feed alley than in the different bedding areas in both Experiments 1 and 2 (p less then 0.01). Conclusion Sand-bedding depth at 10 cm and wood shavings at 15 cm above the self-draining bed can provide for the lying comfort of beef cattle. Design of a special feed alley to hold most of the feces to keep bedding materials clean and dry is desirable for organic beef cattle in a loose barn.Objective This study was aimed to investigate the muscle-specific beef color stability at normal and high ultimate pHs. Methods The impact of muscle ((longissimus lumborum; LL) vs. psoas major (PM)) and pH ((normal ultimate pH; Np) vs. high pH dark cutting beef (DC)) on color stability, indicated by basic color traits, metmyoglobin reducing activity and oxygen consumption (OC), as well as the lipid oxidation, were determined over 7 days of display at 4 °C. Results DC-LL had the highest pH (6.92), followed by DC-PM (6.01), Np-PM (5.76) and Np-LL (5.52). DC-LL had increased (P less then 0.05) a*, chroma and % OMb during display. DC-LL also had the highest metmyoglobin reducing activity and OC among all the samples, thus, the greatest color stability, although very dark throughout storage, with lowest values for lightness (L*) and yellowness (b*). Np-LL also exhibited relatively high color stability, as a result of its lower % MMb and OC and higher MRA than psoas muscle samples. The 0.2 unit difference of the pH between DC and Np psoas muscle, resulted in the difference of the color intensity, not the color stability. Interestingly, high pH psoas muscle (DC-PM) did not have better color stability than Np-PM, and in fact had lower color stability than even Np-LL. The similar level of OC and lipid oxidation cannot explain the difference in color stability between DC-PM and Np-LL. Conclusion Dark cutting beef does not always show better color stability compared with normal pH beef, which depends on the muscle type. The balance of MRA and OC is important to keep the color in great intensity and stability in the meantime.Objective Initial consequence of inbreeding is inbreeding depression which impairs the performance of growth, production, health, fertility and survival traits in different animal breeds and populations. The effect of inbreeding on economically important traits should be accurately estimated. The effect of inbreeding depression on growth traits in sheep has been reported in many breeds. Based on this, the main objective of the present research was to evaluate the impact of inbreeding on some growth traits of Iranian Baluchi sheep breed using quantile regression model. Methods Pedigree and growth traits records of 13,633 Baluchi lambs born from year 1989 to 2016 were used in this research. The traits were birth weight (BW), weaning weight (WW), six-month weight (6MW), nine-month weight (9MW) and yearling weight (YW). The contribution, inbreeding and co-ancestry (CFC) software was used to calculate the pedigree statistics and inbreeding coefficients. To evaluate the impact of inbreeding on different quantiles of each growth trait, a series of quantile regression models were fitted using QUANTREG procedure of SAS software.